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The New 21700 format Lithium Cells in 2017

High-capacity packs using 18650-format cells have become popular, and we will have some interesting options soon with the new 21700 cells that are just now

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Custom Build Gallery, Patrick’s RC mid drive

Patrick is a university engineering student from the Netherlands. Seven years ago (in 2010) he began posting on endless-sphere, asking questions, and building up custom ebikes…with

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Specialized Turbo Vado-S

Normally, I wouldn’t care much about a turn-key ebike that uses only 350W, but…the Specialized Turbo Vado-S shows that the E-division of one of the

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Tangent Ascent 6000 watt Review- The Ultimate Mid-Drive

Editor note:  There are a lot of exciting mid drives on the market…and some of us are ballsy enough to ride them and write about

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Sondors Fold, a 20-inch wheel E-fatbike

Sondors has announced that they are coming put with a new aluminum-frame model, and this one not only has fat tires on a smaller 20-inch

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Using cordless tool batteries for an ebike

If…the idea of using cordless tool batteries to power an ebike has ever crossed your mind? You are not alone. After some research, I found

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An introduction to lithium 18650 batteries

The development of electrical transport, from skateboards and scooters to buses and trucks, has been an evolution of battery power. We’ve been able to store

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TV show “Ellen” gives away a Haibike

The TV show Ellen gave away a Haibike. Ellen DeGeneres also encouraged her huge viewer base to consider one too, saying that she personally rides

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Maxwell Cycles 2017 NAHBS X01 Ebike

Maxwell Cycles from Petaluma (in Northern California) presented a beautiful ebike at the 2017 NAHBS, and it is an interesting example of using a hubmotor

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Ferrofluid and Hubsinks for HOT Direct Drive Hubmotors

Ferrofluid is an amazing substance if you own a large Direct Drive  hubmotor. It does NOT benefit geared hubs or mid drives, but…if you like

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Stealth P-7, a street-legal commuter from an off-road hot rod company.

Most ebike companies start out selling mass-market street-legal commuters, and then slowly move into off-road ebikes with higher power. Stealth has gone the opposite route

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How to Buy and Build a Carbon Fiber BBSHD Fat eBike from Germany

Untitled document   by Patrick M. I always have liked a challenge. Two challenges in one? Even better. When I decided that I had to

Ebike Review Sites and Fees

Editor Note:   This was submitted by George Sears, a well respected voice in the electric bicycle community.  Full disclosure George was paid to write this

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How to make a lithium battery last, or…kill it, if you like.

We have written in the past about tips that will help your expensive lithium battery pack last as long as possible. This article will cover

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Denzel E-bikes

Denzel is a company that is making carbon fiber ebikes, and this last year they have really grown, so…here is a look at the newest

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Thoughts (and Guesses) On A Big Box Budget Ebike

Editor note this story was written by respected ebike community member George Sears. Storm Sondors is going to make a $10,000 electric car. So he